Comptes rendus : 12e Symposium international sur le traitement des eaux usées, 20 et 21 novembre 1989. Atelier sur l'eau potable, 22 novembre 1989, Le Grand Hôtel, Montréal = Proceedings
Subtitle: 12th International Symposium on Wastewater Treatment, November 20-21, 1989. Workshop on Drinking Water, November 22, 1989, Le Grand Hotel, Montreal.
Contributors: Canada. Environment Canada.; Symposium on Wastewater Treatment. (12th : 1989 : Montréal, Que.); Workshop on Drinking Water (1989 : Montréal, Que.)
Publisher: Gouvernement du Québec, Ministère de l'environnement; Environment Canada
Published: 1989
Place of publication: Montréal; Ottawa
Language: eng
Number of pages: 459
Subjects: Sewage -- Purification -- Congresses.; Sewage disposal plants -- Canada -- Congresses.; Drinking water -- Canada -- Congresses.
Other titles: 12th International Symposium on Wastewater Treatment.; Twelfth International Symposium on Wastewater Treatment.
Notes: Text in English and French.

On cover: 12th Symposium on Wastewater Treatment and 1st Workshop on Drinking Water.

Includes bibliographical references.